2

Pinouts

ICL3310E (SOIC)

TOP VIEW

ICL3310E (SSOP)

TOP VIEW

NC

C1+

V+

C1-

C2+

C2-

V-

SHDN

GND

18

17

16

15

14

13

12

11

10

1

2

3

4

5

6

7

8

9

NC

C1+

V+

C1-

C2+

C2-

V-

SHDN

GND

NC

NC

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

Pin Descriptions

PIN

FUNCTION

System power supply input (3.0V to 5.5V).

V+

Internally generated positive transmitter supply (+5.5V).

V-

Internally generated negative transmitter supply (-5.5V).

GND

Ground connection.

C1+

External capacitor (voltage doubler) is connected to this lead.

C1-

External capacitor (voltage doubler) is connected to this lead.

C2+

External capacitor (voltage inverter) is connected to this lead.

C2-

External capacitor (voltage inverter) is connected to this lead.

TTL/CMOS compatible transmitter Inputs.

±15kV ESD Protected

±15kV ESD Protected

TTL/CMOS level receiver outputs.

SHDN

Active low input to shut down transmitters, receivers, and on-board power supply, to place device in low power mode.

Typical Operating Circuits

ICL3310E (NOTE 2)

17

0.1µF

+

0.1µF

+

0.1µF

12

11

15

8

2

4

3

7

V+

V-

C1+

C1-

C2+

C2-

+

0.1µF

5

6

14

5k

Ω

9

10

5k

Ω

13

SHDN

GND

18

+3.3V to +5V

+

0.1µF

16

TTL/CMOS

LOGIC LEVELS

RS-232

LEVELS

NOTES:

2. Pin numbers refer to SOIC package.

ICL3310E